Empresa Brasileira De Compressores S.a. - Embraco

Ernani Pautasso Nunes, Jr

Dietmar Erich Bernhard Lilie

Adilson Luiz Manke

A reciprocating hermetic compressor, of the type including a rotor with permanent magnets and having its tubular vertical shaft ( ) provided radially externally to the internal surface thereof with at least one axial channel ( ) of oil conduction, having a lower end ( ) immersed in the lubricant oil being pumped from a lubricant oil sump ( ) defined at the bottom of the hermetic shell of the compressor, and an upper end ( ) opened to a median radial duct ( ), which conducts lubricant oil to the parts of the compressor spaced away from the lubricant oil sump ( ).

Reciprocating hermetic compressor

A hermetic compressor for a refrigeration system, in which a previously dilated tubular bushing ( ) is mounted around an axial portion of a shaft ( ) and affixed to said axial portion upon contraction thereof, said tubular bushing ( ) mounted to the shaft ( ) then being assembled and rotatively axially affixed inside the rotor ( ).

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Ernani Pautasso Nunes, Jr